What was found
PSC - DURING INITIAL CLIMB NR 1 AC GENERATOR CAUTION ILLUMINATED. FOLLOWING THE CHECKLIST, THE LIGHT EXTINGUSHED. 90 SECONDS LATER, THE LIGHT RE-ILLUMINATED. A SECOND RESET WAS NOT ATTEMPTED. NR 2 AC GENERATOR LOADS WERE MONITORED AND NO LIMITATIONS WERE EXCEEDED. MAINTENANCE COMPLIED WITH FUNCTIONAL TEST OF AC GENERATOR SYSTEM. TEST OK. RAN PROP HEAT DURING GROUND RUN TO CHECK LOAD CARRING ABILITY, CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE. NO PARTS REPLACED.